prolonged

英 [prəˈlɒŋd]

美 [prəˈlɔːŋd]

adj.  持久的; 长期的
v.  延长
prolong的过去分词和过去式

过去分词：prolonged　过去式：prolonged　

IELTS

Collins.2 / BNC.5657 / COCA.7369

牛津词典

adj.

• 持久的；长期的
  continuing for a long time
  1. a prolonged illness
     长期的病
  2. a prolonged period of dry weather
     长期的干旱天气

柯林斯词典

• ADJ-GRADED 长期的；持续很久的；时间长的
  Aprolongedevent or situation continues for a long time, or for longer than expected.
  1. ...a prolonged period of low interest rates.
     长期的低利率
  2. ...a prolonged drought.
     长期的干旱

英英释义

adj

• drawn out or made longer spatially
  1. Picasso's elongated Don Quixote
  2. lengthened skirts are fashionable this year
  3. the extended airport runways can accommodate larger planes
  4. a prolonged black line across the page
  Synonym:elongatedextendedlengthened
• relatively long in duration
  1. a drawn-out argument
  2. an extended discussion
  3. a lengthy visit from her mother-in-law
  4. a prolonged and bitter struggle
  5. protracted negotiations
  Synonym:drawn-outextendedlengthyprotracted

双语例句

• Hospitalization may be prolonged.
  住院期可能延长。
• It is easier to cope with short bursts of activity than with prolonged exercise
  和长时间的锻炼相比，短期内加强活动更容易应付。
• They prolonged their visit by a few days.
  他们把访问时间延长了几天。
• Prolonged heat can, moreover, enhance production of smog and the dispersal of allergens.
  持续的高温也提高了烟雾的产量和过敏原的散布。
• The corruption does not seem to have muted the country's prolonged economic boom.
  腐败似乎没有影响国家经济的持续繁荣。
• Paul prolonged his education with six years of advanced study in English.
  保罗延长了他的受教育时间，打算花6年时间深造英语。
• There are studies that show prolonged exposure to this energy weakens and drains the immune system.
  有研究表明，长期接触这种能量的免疫系统衰弱和水渠。
• He did not want his life to be prolonged by artificial means.
  他不想靠人为方式延长生命。
• It has reduced mortality rates and prolonged the average length of life, thus multiplying population figures.
  它减低了死亡率，延长了人的生命期，因而使人口倍增；
• He prolonged his visit by two weeks.
  他把访问延长了两个星期。